While the Western Cape accounts for the majority of toxigenic respiratory diphtheria, a concern has arisen over the declining uptake of Tdap (tetanus, diphtheria, and whooping cough) booster doses among older children. Mpho Mashita and Jones Netshipise are joined by Dr Angelique Coetzee from the Solidarity Doctors Network to explain what this is, how you are affected and what you can do to prevent it.